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NULL Value in Oracle Database | Oracle Tutorials for Beginners
 
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NULL Value in Oracle Database | Oracle Tutorials for Beginners NULL Value in Oracle Database NULL Value in Oracle SQL NULL Value in SQL NULL Value in Oracle Database Oracle Tutorials for Beginners Oracle Tutorials for Beginners Oracle PL/SQL Tutorials for Beginners Oracle PL/SQL Tutorials for Beginners Oracle PL/SQL Tutorials for Beginners how to select null values in oracle oracle compare null values in where clause null=null in oracle how to handle null in case statement in oracle how to check null value in oracle stored procedure oracle nvl null value in oracle query how to check empty column value in oracle how to select null values in oracle oracle is null vs = null oracle nvl oracle is not null oracle decode oracle isnull oracle case when null select null from table in oracle oracle compare null values in where clause oracle select null how to check empty column value in oracle oracle sql not null or empty oracle is not null how to handle null in case statement in oracle oracle isnull oracle nvl
Views: 526 Oracle PL/SQL World
Oracle Table Creation Inserting Records Null Values 1
 
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05-Oracle SQL Arabic Course - Null Value & Column Aliases -اوراكل ديفلوبر
 
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الدرس الخامس من سلسلة دروس تعلم أوراكل محتويات الدرس: 1- NULL Values. 2- Null values in Arithmetic Expressions. 3- Column Alias. .......................................­.................... تواصل معانا علي الفيس بوك من هنا : https://www.facebook.com/askgad .......................................­.................... تواصل معانا علي موقعنا من هنا : https://www.askgad.com/
Views: 4068 Ask Gad
Null value in oracle
 
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this video describes null concept in oracle. join the group and share your knowledge and ask your doubts. https://www.facebook.com/groups/940425699338535/
How to display NULL Value Different ways in SQL Developer | Oracle SQL Developer Tips and Tricks
 
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How to display NULL Value Different ways in Oracle SQL Developer | Oracle SQL Developer Tips and Tricks How to display NULL Different ways in Oracle SQL Developer How to display NULL Different ways in Oracle SQL Developer | Oracle SQL Developer Tips and Tricks Oracle SQL Tutorial for Beginners Oracle Database Tutorial for Beginners Oracle SQL Developer Tips and Tricks Oracle Tutorial for Beginners Oracle Tutorial How to display NULL Values Different ways in Oracle SQL Developer How to display NULL Values Different ways in SQL Developer Oracle / SQL Developer displaying (null) in column SQL Developer display null Different Value Oracle SQL Developer display null Different Value How to display null different ways in sql developer
ORACLE SQL AND PL/SQL INTERVIEW QUESTION : SUBQUERY WITH NULL / NOT IN / NOT EXISTS OR OUTER JOIN
 
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This video demonstrates the oracle sql interview question where one need to use either not in, not exists or an outer join to get the desired result. For example if one is asked to fetch records from department table where department_id is not present in employee table
Views: 1949 Kishan Mashru
Null Values
 
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Concept of null values in Database Management System. Join discussion on http://techtud.com
Views: 7346 Techtud
SQL Tutorial in Oracle - 4 NULL, LIKE, DISTINCT, ORDER BY
 
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SQL SELECT statement is used to fetch the data from a database table which returns data in the form of result table. These result tables are called result-sets. The LIKE operator is used in a WHERE clause to search for a specified pattern in a column. In SQL, wildcard characters are used with the SQL LIKE operator. SQL wildcards are used to search for data within a table. With SQL, the wildcards are: Wildcard Description % A substitute for zero or more characters _ A substitute for a single character [charlist] Sets and ranges of characters to match [^charlist] or [!charlist] Matches only a character NOT specified within the brackets Check out our website: http://www.telusko.com Follow Telusko on Twitter: https://twitter.com/navinreddy20 Follow on Facebook: Telusko : https://www.facebook.com/teluskolearnings Navin Reddy : https://www.facebook.com/navintelusko Follow Navin Reddy on Instagram: https://www.instagram.com/navinreddy20 Subscribe to our other channel: Navin Reddy : https://www.youtube.com/channel/UCxmkk8bMSOF-UBF43z-pdGQ?sub_confirmation=1 Telusko Hindi : https://www.youtube.com/channel/UCitzw4ROeTVGRRLnCPws-cw?sub_confirmation=1
Views: 17604 Telusko
Tutorial#27 How  NULL value treated in Oracle SQL Database|IS NULL Operator
 
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Online SQL tutorial , explaining about the different ways to treats NULL values in Oracle SQL server or How we can replace null values with some other values using IS NULL Operator or Different ways to replace NULL in SQL server IS NULL and IS NOT NULL in SQL or IS NULL Operator in SQL Query with Example orHow to Check for Null or Empty Column in SQL or Problems with Null Value in SQL or is NOT NULL, IS NULL, NVL FUNCTION in Oracle SQL or How can I find unknown values? orHow to convert null to 0 in SQL server orNull value in Oracle or replacing NULL in SQL In this series we cover the following topics: SQL basics, create table oracle, SQL functions, SQL queries, SQL server, SQL developer installation, Oracle database installation, SQL Statement, OCA, Data Types, Types of data types, SQL Logical Operator, SQL Function,Join- Inner Join, Outer join, right outer join, left outer join, full outer join, self-join, cross join, View, SubQuery, Set Operator. follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/lrnwthr/ Twitter: https://twitter.com/LrnWthR
Views: 77 EqualConnect Coach
Oracle SQL Tutorial 19 - ON DELETE (SET NULL and CASCADE)
 
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Welcome everyone! Something you need to consider when you are creating foreign keys is what happens if you delete the parent? As a reminder, the parent is the row that has the value you are referencing in the row that has a foreign key. Why is this something important to consider? It's important because foreign keys need to protect us from two primary things, unacceptable INSERT statements, and unacceptable DELETE statements. Let's see what happens when we try to insert incorrect data into the table with the foreign key: INSERT INTO projects VALUES (1, 'Update website homepage', 'CalebCurry') The response tells us plainly that there is no such user in the users table. So this works correctly. Deleting data on the other hand works a bit differently because the database does not know what you want to do with the child row when you delete the parent from the parent table. By default, we will get an error message that prevents the parent from being deleted, but there are some other options. How do we configure this? This is where the ON DELETE statement comes in. We add the keywords ON DELETE right after the foreign key and then we can give it the option of CASCADE or SET NULL. CASCADE means that if we delete the parent, we are also going to delete the child. In our situation what that means is that if somebody creates a project in our project table and then that persons account gets deleted, all of the projects he owns will also be deleted. CASCADE: CREATE TABLE projects( project_id NUMBER, Project_name VARCHAR2(50 CHAR) UNIQUE, creator VARCHAR2(50 CHAR) NOT NULL, CONSTRAINT projects_pk PRIMARY KEY (project_id), CONSTRAINT projects_users_fk FOREIGN KEY (creator) REFERENCES users (username) ON DELETE CASCADE ) SET NULL will take the value in the child table and get rid of it. What you are left with is NULL. This means that we have an orphaned child. The first thought you might have is that it is a bad thing to have an orphaned child, but in databases that is not always so. In our application if we had it set to SET NULL, when a user account gets deleted the projects would remain in existence they would just lack a creator. This might be a good thing if you are concerned about the long term survival of a project, this might be the route you want to go. It ultimately depends on the application purpose. If you don't like CASCADE or SET NULL, you can leave the entire ON DELETE statement and just have Oracle throw an error when a parent is deleted. As for us, we are going to use ON DELETE CASCADE. We need to use this with extreme caution. If you are not careful, someday you will run a delete a row and that will cascade through you database deleting a bunch of stuff you didn't want to delete. Stuff happens, so make sure you back up your database every once in eternity. Now, in the last video we started with a database design that had three tables. We've only created two in this video. In the next video we are going to create the next one, which is a little special. Then we'll finish things up by adding some indexes. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me on Patreon! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 15168 Caleb Curry
NULL values in DBMS...how to insert null value in table in sql
 
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how to insert null value in table in sql -~-~~-~~~-~~-~- Please watch: "हँसी नहीं रोक पाओगे 100% Guarantee | Indian Funny Videos | Whatsapp Funny Videos😀😀" https://www.youtube.com/watch?v=kbwh5NwXQYo -~-~~-~~~-~~-~- #sqltutorial#oracletutorial#databasetutorial
Views: 1486 Viral Fun Tube
What is NULL? (Introduction to Oracle SQL)
 
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What a NULL value is and how it's treated in SQL
Views: 132 Database Star
NULL-Related Functions in Oracle
 
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An overview of some of the functions Oracle provides to handle NULL values in SQL and PL/SQL. For more information see: https://oracle-base.com/articles/misc/null-related-functions Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Bjoern Rost Blog: http://portrix-systems.de/blog/brost/ Twitter: https://twitter.com/brost Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 2631 ORACLE-BASE.com
Oracle interview question difference between null functions
 
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Difference between NVL,NVL2, NULLIF and COALESCE NVL function will check whether the first input parameter is null, if first input parameter is null then the function returns the second parameter value as output. NVL2 function will check the first parameter, and return second parameter if the first parameter is not null, otherwise returns third parameter. NULLIF will compare the input parameters ( first and second parameter ), and returns NULL of both are same, otherwise returns the first parameter value. COALESCE, returns the first not null expression in the given input parameters. -------------------------------------------------------------------------------------------------------- List of all the SQL and PLSQL interview questions https://easy-learning-tech.blogspot.com/p/oracle-sql-plsql-interview-questions.html
Views: 235 Siva Academy
Tutorial 44 : NULL in Oracle || NVL() Explained
 
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Hi Friends! Here we are learning about what is NULL in Oracle. How we can deal with NULL Values. How NVL() Function helps us with NULL Value. Hope the concept and example would be clear to you. For any help or issue, let me know in comment box. Thanks, Happy Coding.
Views: 76 YourSmartCode
Oracle Tutorial - is NULL and is NOT NULL
 
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Oracle Tutorials - is NULL and is NOT NULL
Views: 73 Tech Acad
Problems with Null Value in SQL - SQL LESSON 25
 
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Problems with Null Value in SQL - SQL LESSON 25
Views: 9468 HandsonERP
handle NULL values in check box Oracle APEX
 
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How to handle NULL values in check box in Oracle APEX
Views: 584 Ahmed Alsaied
Oracle - SQL - Not Null Constraint
 
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Oracle - SQL - Not Null Constraint Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Anadi Sharma, Tutorials Point India Private Limited.
Tutorial 46 : NULL in Oracle || NULLIF()
 
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Hi Friends! Here we are learning about NULLIF() function which gives you flexibility to deal with NULL value in Oracle. Hope the concept and example would be clear to you. Please let me know your feedback in comment box. Thanks! Happy Coding.
Views: 28 YourSmartCode
Oracle SQL Lecture 32: How are NULL values treated while Sorting Data
 
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How are NULL values treated while Sorting Data https://www.youtube.com/channel/UCnBpiBIOtRgMsk4G7Ri1jbQ
Views: 547 Oracle SQL
HANDLE NULL VALUES IN ORACLE USING NVL FUNCTION
 
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In this video tutorial we will see how to handle null values using nvl function
Views: 8 DWBIADDA VIDEOS
Null values in SQL Server - Part 33 Tamil
 
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Subscribe to IT PORT : https://www.youtube.com/c/itport28 SQL Server Tutorial in Tamil : https://www.youtube.com/playlist?list=PLouAaeZ4xQ64enJDwWVvN3KduuZRlUrb3 SQL Server Concepts in Tamil : https://www.youtube.com/playlist?list=PLouAaeZ4xQ67kdNIByJKAGBIBhor_h4Hs SQL Server Analytic Functions in Tamil : https://www.youtube.com/playlist?list=PLouAaeZ4xQ65XIU5azEUgLVrBKEl-jWMV SQL Server Tutorial : https://www.youtube.com/playlist?list=PLouAaeZ4xQ66AYrzPtxt2SeeR4UABcBcO SQL Server Concepts : https://www.youtube.com/playlist?list=PLouAaeZ4xQ66zRe8-nDDy-YHY2o0rmbn4 SQL Server Analytic Functions : https://www.youtube.com/playlist?list=PLouAaeZ4xQ64hTsEdhLsVBquE1vERWngX A column with a NULL value is a column with no value. If a column in a table is optional, it is possible to insert a new record or update a record without adding a value to this column. Then, the column will be saved with a NULL value. Explained in Tamil
Views: 354 IT Port
Oracle execute immediate dynamic sql  passing null value to bind argument Part 9
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 290 Sridhar Raghavan
Oracle Sql Step by Step Approach (041 how are null values treated while sorting data)
 
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Oracle Sql Step by Step Approach (041 how are null values treated while sorting data) Discover essential SQL skills necessary to transform you into SQL developer which can earn you $70k+ in the IT Industry Learn to become a fee-earning SQL developer in just seven weeks. This fast, easy and effective course will take you from zero sql writing skills to being able to make money as a SQL developer. This one-stop-shot-style SQL course will teach you everything you need to know about SQL, from learning various database concepts to writing SQL to interact with the database. Throughout this SQL course I will be using the below methodology to make you think and help in forming the SQL statement. Like,Comment,Share
Null: Databases for Developers #10
 
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The null value represents missing or unknown information. But using it brings complications to your SQL. In this video Chris discusses how to work with null to ensure you get the correct results. Further reading: Oracle Database SQL Reference on Nulls: http://docs.oracle.com/database/122/SQLRF/Nulls.htm#SQLRF30037 Null related functions: http://docs.oracle.com/database/122/SQLRF/Single-Row-Functions.htm#SQLRF51187 Is null condition: http://docs.oracle.com/database/122/SQLRF/Null-Conditions.htm#SQLRF52152 Need help with SQL? Ask us over on AskTOM: https://asktom.oracle.com Twitter: https://twitter.com/ChrisRSaxon Daily SQL Twitter tips: https://twitter.com/SQLDaily All Things SQL blog: https://blogs.oracle.com/sql/ ============================ The Magic of SQL with Chris Saxon Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2805 The Magic of SQL
SQL tutorial 72: NVL SQL NULL function By Manish Sharma RebellionRider
 
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Part 1: SQL Null Function NVL learn the concepts of NVL null function in this tutorial with examples and all the Interview concepts covered ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/nvl-sql-null-function Previous Tutorial ► LPAD & RPAD Functions https://youtu.be/nPtbuHPCN6E ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 24782 Manish Sharma
SQL Null or Empty   How to Check for Null or Empty Column in SQL Server   SQL Training Online
 
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http://www.sqltrainingonline.com SQL Null or Empty - How to Check for Null or Empty Column in SQL Server - SQL Training Online You can download the sample table script at http://www.sqltrainingonline.com/how-to-filter-for-sql-null-or-empty-string/. In this video, I show you how to filter for a SQL null or empty string. It can be difficult to filter a null because you can't simply compare with an equal sign. You have to use a special IS NULL clause to make the filter work. I also show you how to combine both the SQL Null and Empty String together in a special trick with the isnull SQL Server function. I use SQL Server 2012 to demonstrate the technique. Let me know what you think by commenting or sharing on twitter, facebook, google+, etc. If you enjoy the video, please give it a like, comment, or subscribe to my channel. You can visit me at any of the following: SQL Training Online: http://www.sqltrainingonline.com Twitter: http://www.twitter.com/sql_by_joey Google+: https://plus.google.com/#100925239624117719658/posts LinkedIn: http://www.linkedin.com/in/joeyblue Facebook: http://www.facebook.com/sqltrainingonline
Views: 16969 Joey Blue
Oracle SQL Tutorial -  Handling Null values
 
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In this video, we will see how to handle null values. Retrieving rows where specific column value IS NULL or NOT NULL. Also, we will see functions to handle NULL values. NVL ,NVL2 and NULL IF functions.
Views: 11 Ganesh Anbarasu
SQL with Oracle 10g XE - Using INSERT to Add Data to a Table
 
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In this video I use the INSERT command to add an entire record into a table. When using the command you must also use the keyword VALUES. If you want to enter a null value (one that has no value) for a field you can use the keyword NULL. Be sure to put single quotes around data types that are not numbers. Values need to be entered in the order the fields appear in the table. The commands I used are: INSERT INTO BOOKS VALUES (1,'140231862','9780140231861','The Winter King: A Novel of Arthur','Fiction','14.99','P',1996,1,2) INSERT INTO BOOKS VALUES ('2','140232478','9780140232479','Enemy of God: A Novel of Arthor','Fiction',14.99,'P','1997',1,2); INSERT INTO BOOKS VALUES ('3','140232877','9780140232875','Excalibur: A Novel of Arthor','Fiction',14.99,'P','1998',1,2); INSERT INTO BOOKS VALUES ('4','6513840','9780006513841','Harlequin: Grail Quest','Fiction',19.99,'P','2001',1,1); INSERT INTO BOOKS VALUES ('5','6513859','9780006513858','Vagabond: Grail Quest','Fiction',19.99,'P','2003',1,1); INSERT INTO BOOKS VALUES ('6','7149891','9780007149896','Heretic: Grail Quest','Fiction',19.99,'P','2004',1,1); INSERT INTO BOOKS VALUES ('7','553103547','9780553103540','A Game of Thrones','Fiction',13.99,'H','1996',2,4); INSERT INTO BOOKS VALUES ('8','553801473','9780553801477','A Dance with Dragons','Fiction',13.99,'H','2010',2,5); INSERT INTO BOOKS VALUES ('9','055357342X','9780553573428','A Storm of Swords','Fiction',4.99,'P','2003',2,4); INSERT INTO BOOKS VALUES ('10','1596590424','9781596590427','50 Success Classics','Audio',17.99,NULL,NULL,3,3) INSERT INTO AUTHOR VALUES (1,'Cornwell','Bernard'); INSERT INTO AUTHOR VALUES (2,'Martin','George'); INSERT INTO AUTHOR VALUES (3,'Butler','Tom'); INSERT INTO PUBLISHER VALUES (1,'HarperCollins Publishers Canada, Limited'); INSERT INTO PUBLISHER VALUES (2,'Penguin Books Canada, Limited'); INSERT INTO PUBLISHER VALUES (3,'Gildan Media Corp'); INSERT INTO PUBLISHER VALUES (4,'Bantam Dell Pub Group'); INSERT INTO PUBLISHER VALUES (5,'Spectra'); This video is part of a series of videos with the purpose of learning the SQL language. For more information visit Lecture Snippets at http://lecturesnippets.com.
Views: 40764 Lecture Snippets
DBMS - Null Values in SQL
 
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DBMS - Null Values in SQL Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
26. IS NULL and IS NOT NULL in SQL (Hindi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 19468 Geeky Shows
IS NOT NULL, IS NULL, NVL FUNCTION in oracle sql
 
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Oracle sql tutorial, How to select, retrieve rows with null values, not null values and NVL function in oracle SQL
SQL Outer JOINs and NULL
 
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Jamie King of Neumont University showing how to combine an outer join with a null check to discover rows that are not in the intersection of two tables.
Views: 3631 Jamie King
Important concepts on NULL values
 
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Join Discussion:http://www.techtud.com/video-lecture/important-concepts-null-values IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE: http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
Views: 4144 Techtud
Tutorial#57 How to use  Not null Constraint in Oracle SQL Database| Not Null Constraint in SQL
 
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How to use Not Null Constraint in Oracle or what is Constraints and Types of Constraints in an Oracle SQL Database | integrity Constraints in SQL Not Null Constraint is nothing but it's not allowing null Values in Columns Explaining constraints and types of constraints in oracle or Constraints in Oracle SQL database or Constraints is nothing but a set of rules which is applied to the columns of any table in the database Assignment link will be available soon: In this series we cover the following topics: SQL basics, create table oracle, SQL functions, SQL queries, SQL server, SQL developer installation, Oracle database installation, SQL Statement, OCA, Data Types, Types of data types, SQL Logical Operator, SQL Function,Join- Inner Join, Outer join, right outer join, left outer join, full outer join, self-join, cross join, View, SubQuery, Set Operator. follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/equalconnect/ Twitter: https://twitter.com/LrnWthR
Views: 33 EqualConnect Coach
129 Oracle 11g Tutorials   Group Functions & Null Values (By MrMerchant Co.)
 
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Oracle 11g Complete Tutorials - PART129 Don't forget to subscribe to my channel. (source: Coding Arena). BOOKS FOR REFERENCE. OCA Oracle Database SQL Certified Expert Exam Guide (Exam 1Z0-047) https://amzn.to/2xy71is Learning SQL: Master SQL Fundamentals - https://amzn.to/2QI0DO7 SQL Pocket Guide: A Guide to SQL Usage - https://amzn.to/2NnI1F7 SQL Cookbook: Query Solutions and Techniques for Database Developers - https://amzn.to/2QCzJY2 Oracle Database 12C: The Complete Reference - https://amzn.to/2QHpWjq OCP: Oracle Database 12c Administrator Certified Professional - https://amzn.to/2NqChKU
Views: 2 MrMerchant Co.
Oracle SQL Video Tutorial 3 : NULL
 
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Oracle SQL Video Tutorials 3 : Null Values
Views: 1750 Just Channel
SQL TUTORIALS : NULL VALUES
 
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WHAT IS NULL IN SQL PLUS? DEFINING NULL VALUE.
Views: 2642 learnoracle9i
Oracle NVL Function Explained with Examples
 
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https://www.databasestar.com/oracle-nvl-nvl2-logical-functions/ The Oracle NVL function allows you to check a value and return a different value if that value is NULL. It’s great for using another value if the first one is NULL or an optional value, for example people’s phone numbers. It’s also good alongside aggregate functions and grouping so you can see what the difference is between a subtotal row and an actual NULL value. The syntax of the Oracle NVL function is: NVL( check_value, replace_value ) The parameters are: - check_value (mandatory): This is the value that is displayed to the user. It is also the value that is checked for NULL. - replace_value (mandatory): This is the value that appears if the check_value is NULL. The function can use many different data types as parameters: string, date, or numeric. However, both parameters need to be the same type. For more information about the Oracle NVL function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-nvl-nvl2-logical-functions/
Views: 262 Database Star
Null Value
 
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Null Values in SQL in urdu Learn oracle in Urdu from competent Lecturer with Practical
Views: 16 RUMA ENTERTAINMENT
DECODE FUNCTION IN ORACLE SQL
 
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This video tutorial explains with proper example on how to write a decode statement, this video also demonstrates how the decode statement behaves on null values and implicit datatype conversion that happens in a decode statement.
Views: 2278 Kishan Mashru
Oracle DENSE_RANK Function
 
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https://www.databasestar.com/oracle-dense_rank/ The Oracle DENSE_RANK function allows you to calculate a rank of a row in a group of rows. It returns this rank as a NUMBER value. This function can be used as either an analytic or an aggregate function, and the syntax depends on how you use it. As an aggregate function it looks like this: DENSE_RANK ( expr, [expr(n)] ) WITHIN GROUP ( ORDER BY (order_expr [ASC|DESC] [NULLS FIRST|LAST] ) These parameters are: - expr: this is the value to search for in a particular table. You can specify multiple search values, and just separate them by a comma. - order_expr: this is used to order the expr values by, because you get a different results depending on what order you rank the values in. - NULLS FIRST or LAST: this is where you can specify if you want to have NULL values appear at the top of your ranking order or at the bottom. As an analytic function, it looks like this: DENSE_RANK() OVER ( [query_partition_clause] order_by_clause) The parameters are: - query_partition_clause: this is the expression that the ranking is “grouped” by, as analytic functions allow you to group data within rows. - order_by_clause: this is the expression to order your results by to determine a rank. For this function, if two records have the same sort or rank position, they will have the same RANK value. It won’t cause a gap in the rankings, unlike the RANK function which does cause a gap. For more information about the Oracle DENSE_RANK function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-dense_rank/
Views: 310 Database Star
Group Functions and Null Values: SQL Tutorial 57
 
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Please watch: "Install Oracle Database 12c Release 2 on Windows 10 Professional 64 bit" https://www.youtube.com/watch?v=5705VFJmku0 -~-~~-~~~-~~-~- : SQL Tutorial
Views: 51 Solution Wizard
PL/SQL Tutorial | COALESCE Function in Oracle Database
 
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Learn fetching all non-null expression using oracle Coalesce function with example. If all expressions evaluate to null, then the COALESCE function will return null. Coalesce function in Oracle, What is coalesce function, When to use coalesce function, How to use coalesce function in oracle, How to fetch non-null values in oracle using coalesce, Linkedin: https://www.linkedin.com/in/aditya-kumar-roy-b3673368/ Facebook: https://www.facebook.com/SpecializeAutomation/
Oracle SQL Lecture 28: IS NULL and IS NOT NULL
 
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Oracle SQL: IS NULL and IS NOT NULL https://www.youtube.com/channel/UCnBpiBIOtRgMsk4G7Ri1jbQ
Views: 729 Oracle SQL
Null Values in Attributes | Database Management System
 
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This lecture explains about Null Values in attributes. To ask your doubts on this topic and much more, click on this Direct Link: http://www.techtud.com/video-lecture/lecture-21 IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE(for 'All India Test Series for GATE-2016'): http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate/ Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about our regularly uploaded new videos.
Views: 17920 Techtud

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